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7th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Acids, Bases and Salts

  • question_answer
    A synthetic indicator used to test an acid or base is:

    A) China rose                    

    B) Methyl orange

    C) Turmeric                       

    D) Litmus

    E) None of these

    Correct Answer: B

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